Tanzanite Fire Opal Pink Tourmaline Necklaces in 14K Gold

Tanzanite is a member of the mineral family zoisite, which has been known about for nearly two centuries. Zoisite occurs in a number of varieties, the most sought after being tanzanite. This mineral family was named zoisite in 1805, some time after the Austrian scientist Baron Siegmund Zois von Edelstein (1747-1819) had identified the mineral in the Saualpe Mountains of Carintha, Austria. Siegmund Zois von Edelstein operated an iron mine in the Karawanken Mountains in Karnten Austria and encountered the mineral on his own property. Centuries later, the discovery of a bright blue transparent variety that we now know as tanzanite, created a lot of excitement in the specialist world.... learn more

Mexican fire opals are named for their uniform flaming orange or cherry red body color. They are always very brightly colored, and can be a little bit cloudy to almost perfectly transparent. Transparent specimens have a good luster. Like the traditional opal, fire opals can occasionally display signs of iridescence in very bright light. Fire opals have a very low density, lower than that of glass, with which it is sometimes confused. Fire opals, like other opals, are relatively hard, rating a 5.5 to 6.5 on the hardness scale.... learn more

Tourmaline is the alternate birthstone for October, along with the opal. The stone was first discovered by Dutch traders off the West Coast of Italy in the late 1600's or early 1700's. The name tourmaline comes from the Sinhalese term "turmali,"" which was the name given to all colored crystals on the island of Sri Lanka at that time. This all inclusive name indicates the inability of ancient gem dealers to differentiate tourmaline from other stones. In fact, at one time in history, pink and red tourmaline were thought to be rubies. Pink tourmaline tends to be pinker in color than ruby. However, their similarities in appearance are so strong that the stones in the Russian crown jewels believed to be rubies for centuries, are now thought to be tourmalines"... learn more